Notched catheter
A notched catheter has a lumen and a notched outer surface intersecting the lumen with a filament-containing layer adjacent to the outer surface. A part of the filament-containing layer is capturable between the notched surface portion and an elongate element extendable through the lumen.
1 . A notched catheter comprising: a catheter body having an outer surface and a longitudinally extending lumen; the outer surface having a main surface portion and a notched surface portion, the notched surface portion extending from the main surface portion to intersect the lumen; and a filament-containing layer adjacent to the main surface portion and the notched surface portion, whereby a portion of the filament-containing layer is capturable between the notched surface portion and an elongate element extendable through the lumen.
2 . The notched catheter according to claim 2 wherein catheter body comprises a second, main lumen and the filament-containing layer comprises a braided material impregnated with a polymer.